Source : Webster's Revised Unabridged Dictionary (1913)

Lazar \La"zar\, n. [OF. lazare, fr. Lazarus the beggar. Luke
   xvi. 20.]
   A person infected with a filthy or pestilential disease; a
   leper. --Chaucer.

         Like loathsome lazars, by the hedges lay. -- Spenser.

   {Lazar house} a lazaretto; also, a hospital for quarantine.

Source : WordNet®

lazar
     n : a person afflicted with leprosy [syn: {leper}]